You query the ORDERS table and discover that order number 1101 is missing. One of your reports， generated at 5：00 A.M. on April 23， 2005 using Oracle Reports， includes this order number in the output. You have inserted 100 new orders into the ORDERS table since generating this report. Which flashback technology would you use to recover order number 1101 into the ORDERS table without losing the 100 orders that you added after the report was generated？（） Flashback Table。 Flashback Query。 Flashback Version Query。 Flashback Transaction Query。
对评标过程的监察包括（） 招标人与中标人是否订立背离合同实质性内容的其他协议。 评标委员会成员是否独立评审，但确需集体评议的除外。 评标委员会是否出具评标报告，评标报告的讨论及通过、中标候选人的推荐及其排序是否符合有关规定。 评标委员会成员是否遵守职业道德和纪律要求。
While Monitoring the space usage in your database that is in ARCHIVELOG mode you observed that the flash recovery area does not have enough free space to accommodate any more files and you do not have necessary permissions to add more space to it. Identify the two events that can occur in the event of a log switch? （）(Choose two.) An entry is created in the alert log file and the database instance continues to function normally。 The log switch hangs occur for transactions until free space is available in the flash recovery area。 The Oracle database server deletes a file that is on the obsolete file list to make free space in the flash recovery area。 The database instance status is implicitly changed to RESTRICTED mode and file creations to the flash recovery area are prevented。
因火灾一个易熔塞溶化时，会发生哪种情况（） 只关闭全部井的井口安全阀（SSV）。 关闭部分井的井口安全阀（SSV）和井底安全阀（SSSV）。 只关闭部分井底安全阀。
招标人和中标人不应当自中标通知书发出之日起三十日内，按照招标文件和中标人的投标文件订立书面合同。
You want to create a tablespace to contain objects with block size 16 KB. But while configuring thestorage you find that the block size that you can provide is only 8 KB.
Which configuration could have enabled the block selection of 16 KB（）
